.zudibv1{border-radius:2rem;width:4rem;height:4rem}
.zudibv1:before{content:"";z-index:0;border-radius:3rem;width:3rem;height:3rem;transition:background .18s ease-out;position:absolute;top:.5rem;left:.5rem}
.zudibv2:before{border:var(--border-default);box-shadow:var(--bs-medium)}
.zudibv4{z-index:2;width:auto}